3355553245421 has 4 divisors (see below), whose sum is σ = 3613672725852. Its totient is φ = 3097433764992.

The previous prime is 3355553245411. The next prime is 3355553245427. The reversal of 3355553245421 is 1245423555533.

It is a happy number.

3355553245421 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1564075396900 + 1791477848521 = 1250630^2 + 1338461^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3355553245421 is a prime.

It is a super-2 number, since 2×3355553245421² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3355553245427) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 129059740196 + ... + 129059740221.

It is an arithmetic number, because the mean of its divisors is an integer number (903418181463).

Almost surely, 2^{3355553245421} is an apocalyptic number.

It is an amenable number.

3355553245421 is a deficient number, since it is larger than the sum of its proper divisors (258119480431).

3355553245421 is a wasteful number, since it uses less digits than its factorization.

3355553245421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 258119480430.

The product of its digits is 5400000, while the sum is 47.

The spelling of 3355553245421 in words is "three trillion, three hundred fifty-five billion, five hundred fifty-three million, two hundred forty-five thousand, four hundred twenty-one".